Engine cooling systems rely on water pumps to circulate coolant when the engine is running. Discover how the pump operates, ...

The internal combustion engines that power most modern cars generate huge amounts of heat as they run. While it's normal for your vehicle's engine to become quite hot while driving, too much heat can ...

Your vehicle's engine cooling system is one of its most critical components. Its primary responsibility is to cycle coolant — which is a 50/50 mixture of water and antifreeze — through your engine to ...

Internal combustion engines generate a lot of heat. Keeping your car within optimal temperature parameters is the main job of ...

Coolants are the least understood fluid in a heavy duty truck engine today. But a little attention to them can avert serious problems for your fleet.Photos: Prestone If you’re a maintenance manager or ...

Cooling system problems rarely announce themselves with fanfare. They start quietly, with a gauge that runs a little hotter than usual or a faint smell of coolant after a long drive. Many men shrug ...

The "hot" in hot rod has meaning. High-performance engines make power through heat. Heat is as much a part of the performance equation as fuel, air and spark. Heat expands air and provides an optimum ...